Answer available
Class 11 · Mathematics · Relations and Functions
If A = {1, 2} and B = {a, b}, write A × B and state the number of relations from A to B.
2 marksEasyNumerical
Class 11 · ICSE · Mathematics
Relations and Functions
Cartesian products, relations, functions, domain, co-domain and range, and real-valued functions.
- Questions
- 7
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ISC syllabus (CISCE)
Questions
7 questions in this chapter.
- Answer available
Class 11 · Mathematics · Relations and Functions
Find the domain and range of f(x) = x2 + 1 for real x.
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
If A has 3 elements and B has 4, how many relations and how many functions are there from A to B?
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
Find the domain and range of the function f(x) = 1/(x − 3).
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
Find the domain of f(x) = √(x − 4).
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
If f(x) = 2x + 3 and g(x) = x2, find (f ∘ g)(2) and (g ∘ f)(2).
3 marksMediumNumerical
- Answer available
Class 11 · Mathematics · Relations and Functions
Distinguish between a relation and a function.
3 marksMediumShort answer